BitmapEffectLayer

BitmapEffectLayer is a layer that allows effects.

Example

Instructions

Import

import org.papervision3d.view.layer.BitmapEffectLayer;

Declare
```
private var layer :BitmapEffectLayer;
```
Initialize
```
layer = new BitmapEffectLayer(viewport, w, h, transparent, fillColor, clearMode, renderAbove, clearBeforeRender);
```
Parameter Default Description
viewport NONE viewport
w 640 width
h 480 height
transparent true background transparency
fillColor 0 background color
clearMode "clear_pre"
renderAbove false
clearBeforeRender false
Add effect
```
layer.addEffect(effect);
```

Parameter	Default	Description
viewport	NONE	viewport
w	640	width
h	480	height
transparent	true	background transparency
fillColor	0	background color
clearMode	"clear_pre"
renderAbove	false
clearBeforeRender	false

Add layer

viewport.containerSprite.addLayer(layer);

Add object
```
layer.addDisplayObject3D(object);
```

Code

package
{
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.filters.BlurFilter;

    import org.papervision3d.cameras.Camera3D;
    import org.papervision3d.core.effects.BitmapLayerEffect;
    import org.papervision3d.events.InteractiveScene3DEvent;
    import org.papervision3d.materials.ColorMaterial;
    import org.papervision3d.objects.DisplayObject3D;
    import org.papervision3d.objects.primitives.Plane;
    import org.papervision3d.render.BasicRenderEngine;
    import org.papervision3d.scenes.Scene3D;
    import org.papervision3d.view.Viewport3D;
    import org.papervision3d.view.layer.BitmapEffectLayer;

    public class Papervision3DBitmapEffectLayer extends Sprite
    {
        private var scene     :Scene3D;
        private var camera    :Camera3D;
        private var viewport  :Viewport3D;
        private var layer     :BitmapEffectLayer;
        private var renderer  :BasicRenderEngine;
        private var material  :ColorMaterial;
        private var material2 :ColorMaterial;
        private var object    :Plane;
        private var object2   :Plane;

        public function Papervision3DBitmapEffectLayer()
        {
            scene = new Scene3D();

            camera = new Camera3D();

            viewport                  = new Viewport3D();
            viewport.autoScaleToStage = true;
            viewport.interactive      = true;
            addChild(viewport);

            layer = new BitmapEffectLayer(viewport);
            layer.addEffect(new BitmapLayerEffect(new BlurFilter(4, 4, 1)));
            viewport.containerSprite.addLayer(layer);

            renderer = new BasicRenderEngine();

            material             = new ColorMaterial(0x000000);
            material.doubleSided = true;
            material.interactive = true;

            material2             = new ColorMaterial(0xff0000);
            material2.doubleSided = true;
            material2.interactive = true;

            object   = new Plane(material);
            object.x = -300;
            scene.addChild(object);

            object2   = new Plane(material2);
            object2.x = 300;
            scene.addChild(object2);

            layer.addDisplayObject3D(object);

            object.addEventListener(InteractiveScene3DEvent.OBJECT_OVER, handleObjectOver);
            object.addEventListener(InteractiveScene3DEvent.OBJECT_OUT, handleObjectOut);
            object.addEventListener(InteractiveScene3DEvent.OBJECT_PRESS, handleObjectPress);

            object2.addEventListener(InteractiveScene3DEvent.OBJECT_OVER, handleObjectOver);
            object2.addEventListener(InteractiveScene3DEvent.OBJECT_OUT, handleObjectOut);
            object2.addEventListener(InteractiveScene3DEvent.OBJECT_PRESS, handleObjectPress);

            addEventListener(Event.ENTER_FRAME, handleEnterFrame);
        }

        private function handleEnterFrame(e:Event):void
        {
            object.yaw(1);
            object2.yaw(1);

            renderer.renderScene(scene, camera, viewport);
        }

        private function handleObjectOver(e:InteractiveScene3DEvent):void
        {
            viewport.containerSprite.buttonMode = true;
        }

        private function handleObjectOut(e:InteractiveScene3DEvent):void
        {
            viewport.containerSprite.buttonMode = false;
        }

        private function handleObjectPress(e:InteractiveScene3DEvent):void
        {
            var do3d :DisplayObject3D = e.displayObject3D;

            if (layer.hasDisplayObject3D(do3d)) {
                layer.removeDisplayObject3D(do3d);
            } else {
                layer.addDisplayObject3D(do3d);
            }
        }
    }
}

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